http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nghe = The Heinle & Heinle TOEFL test assistant: Listening
Sách gồm 3 phần: 30 bài đối thoại, 2 bài đàm thoại dài được theo sau 2 đến 5 câu hỏi mỗi bài, 3 bài nói nhỏ.
Milada Broukal ; Lê Huy Lâm, Trương Hoàng Duy (Dịch và chú giải)
Sách giáo khoa cho người nước ngoài,Textbook for foreign speakers